What are enzymes? What is the importance of enzymes for living beings?

Enzymes are proteins that are catalysts of chemical reactions. Chemistry shows us that catalysts are non-consumable substances that reduce the activation energy necessary for a chemical reaction to occur. Enzymes are highly specific to the reactions they catalyze. They are of vital importance for life because most of the chemical reactions in cells and tissues are catalyzed by enzymes. Without enzyme action, those reactions would not occur or would not happen with the required speed for the biological processes in which they are involved.

SP
Answered by Sonali P. Biology tutor

26038 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

How can diet increase risk of cardiovascular disease?


How do I answer questions on the adaptations of the lungs


30% of a population lacks the ability to taste the chemical PTC. Non-tasters are homozygouse recessive for this tasting gene. What percentage of the population are tasters and what percentage of the population are NOT heterozygous for this trait?


Explain how changes in temperature and pH affect the rate of an enzyme-catalysed reaction. Give appropriate diagrams to illustrate your answer. [6]


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences